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Is the S1-025-29041-012 compatible with older S1-2702-3181/A units
or secondary heat exchanger leaks in high-efficiency furnaces that allow condensate to drip onto the burner assembly
Is this switch compatible with other furnace brands
preventing the safety hazards associated with generic aftermarket alternatives
Engineered for a precise fit
Lennox 78H55 Transformer Is the S1-025-29041-012 compatible withThe Lennox 78H55 Transformer is a critical OEM replacement part designed for HVAC 24V control circuits. This step down transformer converts a 120V primary input to a stable 24V secondary output, providing the necessary low voltage power for contactor coils, ignition modules, and thermostats. With a 30VA power rating, it is engineered for consistent performance in residential and light commercial air handlers and furnaces. This unit serves as the
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